To activate RBS (Engineering Menus): [pause] [pause] [pause] 1 1 3 [pause] 1 [pause] [ok] (pause means the * key held in until box appears) You now have to press the [MENU] and scroll to the ‘Eng Field Options’ function with the keys, and enable it.

To de-activate RBS (Engineering Menus):

[pause] [pause] [pause] 1 1 3 [pause] 0 [pause] [ok] (pause means the * key held in until box appears) Works on 6200’s,8200’s,1-888’s,7500’s,8400’s and GSM StarTacs with later than version .27 software

NOKIA_21XX_SERIES

IMEI Code–

*#06# (on most phones) This should return a 15 character number, which is the same as the one on the back of the phone. It is made up as follows.

*#9999# Phones software version if *#0000# does not work*#06# For checking the International Mobile Equipment Identity (IMEI Number)#pw+1234567890+1# Provider Lock Status. (use the “*” button to obtain the “p,w” and “+” symbols)#pw+1234567890+2# Network Lock Status. (use the “*” button to obtain the “p,w” and “+” symbols)#pw+1234567890+3# Country Lock Status. (use the “*” button to obtain the “p,w” and “+” symbols)#pw+1234567890+4# SIM Card Lock Status. (use the “*” button to obtain the “p,w” and “+” symbols)*#147# This lets you know who called you last (Only vodofone)*#1471# Last call (Only vodofone)*#21# This phone code allows you to check the number that “All Calls” are diverted to*#2640# Displays phone security code in use*#30# Lets you see the private number*#43# Allows you to check the “Call Waiting” status of your cell phone.*#61# Allows you to check the number that “On No Reply” calls are diverted to*#62# Allows you to check the number that “Divert If Unreachable (no service)” calls are diverted to*#67# Allows you to check the number that “On Busy Calls” are diverted to*#67705646# Phone code that removes operator logo on 3310 & 3330*#73# Reset phone timers and game scores*#746025625# Displays the SIM Clock status, if your phone supports this power saving feature “SIM Clock Stop Allowed”, it means you will get the best standby time possible*#7760# Manufactures code*#7780# Restore factory settings*#8110# Software version for the nokia 8110*#92702689# Displays – 1.$erial Number, 2.Date Made, 3.Purchase Date, 4.Date of last repair (0000 for no repairs), 5.Transfer User Data. To exit this mode you need to switch your phone off then on again*#94870345123456789# Deactivate the PWM-Mem**21*number# Turn on “All Calls” diverting to the phone number entered**61*number# Turn on “No Reply” diverting to the phone number entered**67*number# Turn on “On Busy” diverting to the phone number entered